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TI-2026-25777 Aliases CVE-2026-33378GHSA-rr8q-qwrv-9pf6

Grafana Data Source Plugin: DoS (OOM) via Negative Interval Injection in $__timeGroup Macro

Priority LOW 29CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-400.

Summary

Using the $__timeGroup macro, one can achieve an OOM by overloading the server. This requires a SQL datasource. If the server is set up to auto-restart, the impact is minimal or non-existent, as the attack can take upwards of half an hour to crash the server.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00328 26th percentileScored 2026-11-07
Fix Fixed Grafana OSS (Grafana): 11.6.14+security-04, 12.2.8+security-04, 12.3.6+security-04 +2Red Hat: 3 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GrafanaGrafana OSS8.0.0 – 11.6.14; 11.6.14 to before 11.6.14+security-04; 12.0.0 – 12.2.8; 12.2.8 to before 12.2.8+security-04; 12.3.0 – 12.3.6; 12.3.6 to before 12.3.6+security-04; 12.4.0 – 12.4.3; 12.4.3 to before 12.4.3+security-02; 13.0.0 – 13.0.1; 13.0.1 to before 13.0.1+security-0111.6.14+security-04, 12.2.8+security-04, 12.3.6+security-04, 12.4.3+security-02, 13.0.1+security-01Patch availableCNA
  • Grafana OSS VendorGrafana Affected 8.0.0 – 11.6.14; 11.6.14 to before 11.6.14+security-04; 12.0.0 – 12.2.8; 12.2.8 to before 12.2.8+security-04; 12.3.0 – 12.3.6; 12.3.6 to before 12.3.6+security-04; 12.4.0 – 12.4.3; 12.4.3 to before 12.4.3+security-02; 13.0.0 – 13.0.1; 13.0.1 to before 13.0.1+security-01 Fixed in 11.6.14+security-04, 12.2.8+security-04, 12.3.6+security-04, 12.4.3+security-02, 13.0.1+security-01 Patch available CNA

CPE configurations NVD · 10

CPEVersionsRoleVendor
cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*8.0.0 to before 11.6.14; 12.0.0 to before 12.2.8; 12.3.0 to before 12.3.6; 12.4.0 to before 12.4.3VulnerableGrafana
cpe:2.3:a:grafana:grafana:11.6.14:-:*:*:*:*:*:*11.6.14VulnerableGrafana
cpe:2.3:a:grafana:grafana:11.6.14:security01:*:*:*:*:*:*11.6.14 security01VulnerableGrafana
cpe:2.3:a:grafana:grafana:12.2.8:-:*:*:*:*:*:*12.2.8VulnerableGrafana
cpe:2.3:a:grafana:grafana:12.2.8:security01:*:*:*:*:*:*12.2.8 security01VulnerableGrafana
cpe:2.3:a:grafana:grafana:12.3.6:-:*:*:*:*:*:*12.3.6VulnerableGrafana
cpe:2.3:a:grafana:grafana:12.3.6:security01:*:*:*:*:*:*12.3.6 security01VulnerableGrafana
cpe:2.3:a:grafana:grafana:12.4.3:-:*:*:*:*:*:*12.4.3VulnerableGrafana
cpe:2.3:a:grafana:grafana:13.0.0:*:*:*:*:*:*:*13.0.0VulnerableGrafana
cpe:2.3:a:grafana:grafana:13.0.1:-:*:*:*:*:*:*13.0.1VulnerableGrafana
  • cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:* Versions 8.0.0 to before 11.6.14; 12.0.0 to before 12.2.8; 12.3.0 to before 12.3.6; 12.4.0 to before 12.4.3 Vulnerable ·Grafana
  • cpe:2.3:a:grafana:grafana:11.6.14:-:*:*:*:*:*:* Versions 11.6.14 Vulnerable ·Grafana
  • cpe:2.3:a:grafana:grafana:11.6.14:security01:*:*:*:*:*:* Versions 11.6.14 security01 Vulnerable ·Grafana
  • cpe:2.3:a:grafana:grafana:12.2.8:-:*:*:*:*:*:* Versions 12.2.8 Vulnerable ·Grafana
  • cpe:2.3:a:grafana:grafana:12.2.8:security01:*:*:*:*:*:* Versions 12.2.8 security01 Vulnerable ·Grafana
  • cpe:2.3:a:grafana:grafana:12.3.6:-:*:*:*:*:*:* Versions 12.3.6 Vulnerable ·Grafana
  • cpe:2.3:a:grafana:grafana:12.3.6:security01:*:*:*:*:*:* Versions 12.3.6 security01 Vulnerable ·Grafana
  • cpe:2.3:a:grafana:grafana:12.4.3:-:*:*:*:*:*:* Versions 12.4.3 Vulnerable ·Grafana
  • cpe:2.3:a:grafana:grafana:13.0.0:*:*:*:*:*:*:* Versions 13.0.0 Vulnerable ·Grafana
  • cpe:2.3:a:grafana:grafana:13.0.1:-:*:*:*:*:*:* Versions 13.0.1 Vulnerable ·Grafana

Remediation

  • Fix · CNA Grafana OSS (Grafana) Fixed in 11.6.14+security-04, 12.2.8+security-04, 12.3.6+security-04, 12.4.3+security-02, 13.0.1+security-01

Red Hat 3 advisories

  • RHSA-2026:68821 Released 2026-09-18 · Red Hat rating Important
    Red Hat Hardened Images RPMs Security Update
    • Red Hat Hardened Images grafana12.4-12.4.10-0.6.hum1@aarch64, grafana12.4-12.4.10-0.6.hum1@src, grafana12.4-12.4.10-0.6.hum1@x86_64
  • RHSA-2026:68778 Released 2026-09-17 · Red Hat rating Important
    Red Hat Hardened Images RPMs Security Update
    • Red Hat Hardened Images grafana13.2-13.2.1-0.5.hum1@aarch64, grafana13.2-13.2.1-0.5.hum1@src, grafana13.2-13.2.1-0.5.hum1@x86_64
  • RHSA-2026:68767 Released 2026-09-17 · Red Hat rating Moderate
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images grafana13.1-13.1.6-0.1.hum1@aarch64, grafana13.1-13.1.6-0.1.hum1@src, grafana13.1-13.1.6-0.1.hum1@x86_64

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Grafana OSS 11.6.14+security-04, 12.2.8+security-04 and 3 more versions

    10 records Highest priority Priority LOW 10 LOW

    Other records, highest priority first

    • TI-2026-25779 Users can generate Service Account tokens after permissions removalPriority LOW 37
    • TI-2026-25775 Auth Proxy IPv6 whitelist bypassPriority LOW 34
    • TI-2026-25776 Dashboard Import Overwrites ACL — Editor Privilege Escalation to Dashboard AdminPriority LOW 33
    Show all 10 records →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Hardened ImagesFixed RHSA-2026:68767, RHSA-2026:68778, RHSA-2026:68821
Not affected: 1 product
  • Red Hat Hardened Images

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-33378
  2. 2026-10-03 Alias added: GHSA-rr8q-qwrv-9pf6

References

Advisory 1

  • TI-2021-16611 Snapshot authentication bypass in grafana KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-19604 Grafana path traversal KEVCVSS 3.1HIGH 7.5
  • TI-2024-08600 Grafana SQL Expressions allow for remote code execution CVSS 4.0CRITICAL 9.4
  • TI-2023-02931 Authentication bypass by spoofing in Grafana CVSS 3.1CRITICAL 9.8
  • TI-2020-10491 The avatar feature in Grafana 3.0.1 through 7.0.1 has an SSRF Incorrect Access Control… CVSS 3.1HIGH 8.2
  • TI-2025-03662 Open redirect in Grafana CVSS 3.1HIGH 7.6
See all 103 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences